Features Diamond Material: The blade is made of high-quality diamond material, ensuring sharpness and durability for long-lasting use. Wide Scope of Application: Applicable to marble, concrete, artificial stone, and more, making it versatile for various drilling needs. Efficient Oval Chip Drain Hole Design: Features an efficient oval chip drain hole design for enhanced chip discharge, reducing cutting resistance. Compatible with Various Drilling Equipment: Suitable for use with electric hand drills and bench drills, offering flexibility and convenience. Stable Structure and Excellent Performance: The drilling bit comes with a stable structure and delivers excellent performance, providing practical and convenient usage. Features: 1、 diamond material blade is of sharpness and for a long using time 2、Applicable to marble, concrete, artificial stone, etc. The product possess wide scope of application 3、Efficient oval chip drain hole designs is more conducive to chip discharge, and the cutting resistance is small 4、The product is suitable for a variety of equipment such as electric hand drills and bench drills 5、Drilling bit come with stable structure and excellent performance, practical and convenient Specification: Item Type: Diamond Hole Saw Material: Diamond Process: Brazing Hole Diameter: Approx. 20mm / 0.8in Handle Diameter: Approx. 16mm / 0.6in Color: Golden Applicable Equipment: Electric hand drill, bench drill Package List: 2 x Diamond Hole Saw Package List 2 x Diamond Hole Saw